Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-ended&page=74
{ "count": 60623, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-ended&page=75", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-ended&page=73", "results": [ { "id": 139115, "name": "19x19 Open D.E. Cup #169", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1406.882786162691, "deviation": 71.67255609978795, "volatility": 0.06026243585953257 } }, "ranking": 22.81973014119944, "professional": false, "ui_class": "" }, "description": "Double-Elimination tournament for everyone. It will be started as soon as 8 players will join it.\n\nPrevious winners: https://online-go.com/group/12599", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 88451, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "time_increment": 86400, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 12599, "name": "GO Special Tournaments", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 84, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png" }, "auto_start_on_max": true, "time_start": "2026-04-19T21:00:00Z", "players_start": 8, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2026-04-14T17:06:20.680220Z", "ended": null, "start_waiting": "2026-04-14T17:06:20.510762Z", "board_size": 19, "active_round": 2, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png", "player_count": 8, "ranked": true }, { "id": 143156, "name": "9x9 Japanese Single Elimination Tournament", "director": { "id": 2030891, "username": "LilLionDude", "country": "us", "icon": "https://user-uploads.online-go.com/e678a72a2810a584b228f8cfdeb94379-64.png", "ratings": { "version": 5, "overall": { "rating": 391.72968727495436, "deviation": 87.00681128856031, "volatility": 0.0600074994559223 } }, "ranking": 5, "professional": false, "ui_class": "" }, "description": "Clock: Fischer: Clock starts with 1 hour and increments by 30 Minutes per move up to a maximum of 4 hours.\n\nThis is a Live Single Elimination 9x9 tournament.\n\nGood luck! :)", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": -1, "rules": "japanese", "time_per_move": 1927, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "live", "pause_on_weekends": false, "time_increment": 1800, "initial_time": 3600, "max_time": 14400 }, "is_open": true, "exclude_provisional": false, "group": { "id": 25, "name": "Go Basics", "summary": "A learning and teaching environment for players of all strengths with emphasis on tournaments and game reviews. Come teach, learn, and have fun!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 18101, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": true, "time_start": "2026-08-13T20:20:00Z", "players_start": 16, "first_pairing_method": "strength", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": null, "ended": null, "start_waiting": null, "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 0, "ranked": true }, { "id": 58299, "name": "4º Tournament in Memory of Hans Reinhard Pietsch", "director": { "id": 177197, "username": "Go Sertão", "country": "br", "icon": "https://user-uploads.online-go.com/099aa561825351aebf052f1b185f853b-64.png", "ratings": { "version": 5, "overall": { "rating": 1324.855037180643, "deviation": 72.4828821027487, "volatility": 0.05928984767534049 } }, "ranking": 21.429030480258113, "professional": false, "ui_class": "" }, "description": "https://en.wikipedia.org/wiki/Hans_Pietsch", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 259200, "max_time": 259200 }, "is_open": true, "exclude_provisional": true, "group": { "id": 143, "name": "Deutsche Gruppe", "summary": "Die Gruppe für alle Deutschsprachigen.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 767, "icon": "https://user-uploads.online-go.com/be4d45d599a2563f696f98cd7136817c-64.png" }, "auto_start_on_max": false, "time_start": "2020-09-27T21:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2020-09-27T21:00:46.838044Z", "ended": null, "start_waiting": "2020-09-27T21:00:37.975640Z", "board_size": 19, "active_round": 13, "icon": "https://user-uploads.online-go.com/be4d45d599a2563f696f98cd7136817c-15.png", "player_count": 123, "ranked": true }, { "id": 136908, "name": "19x19 Open D.E. Cup #156", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1406.882786162691, "deviation": 71.67255609978795, "volatility": 0.06026243585953257 } }, "ranking": 22.81973014119944, "professional": false, "ui_class": "" }, "description": "Double-Elimination tournament for everyone. It will be started as soon as 8 players will join it.\n\nPrevious winners: https://online-go.com/group/12599", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 88451, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "time_increment": 86400, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 12599, "name": "GO Special Tournaments", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 84, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png" }, "auto_start_on_max": true, "time_start": "2026-02-08T22:00:00Z", "players_start": 8, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2026-02-06T13:20:29.502323Z", "ended": null, "start_waiting": "2026-02-06T13:20:29.332073Z", "board_size": 19, "active_round": 1, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png", "player_count": 8, "ranked": true }, { "id": 137887, "name": "19x19 Open D.E. Cup #161", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1406.882786162691, "deviation": 71.67255609978795, "volatility": 0.06026243585953257 } }, "ranking": 22.81973014119944, "professional": false, "ui_class": "" }, "description": "Double-Elimination tournament for everyone. It will be started as soon as 8 players will join it.\n\nPrevious winners: https://online-go.com/group/12599", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 88451, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "time_increment": 86400, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 12599, "name": "GO Special Tournaments", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 84, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png" }, "auto_start_on_max": true, "time_start": "2026-03-08T22:00:00Z", "players_start": 8, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2026-03-06T09:16:15.118018Z", "ended": null, "start_waiting": "2026-03-06T09:16:14.966993Z", "board_size": 19, "active_round": 2, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png", "player_count": 8, "ranked": true }, { "id": 137679, "name": "Torneo piloto", "director": { "id": 1627224, "username": "Rebab783", "country": "un", "icon": "https://secure.gravatar.com/avatar/fe089b073b52b2b62ddf1bd456667690?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1037.6886704299068, "deviation": 64.22518627911899, "volatility": 0.06014748612435989 } }, "ranking": 15.77331787553322, "professional": false, "ui_class": "" }, "description": "Ejemplo", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 105547, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 86400, "initial_time": 2419200, "max_time": 2419200 }, "is_open": true, "exclude_provisional": true, "group": { "id": 16192, "name": "Club Fukuro UN", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": true, "hide_details": true, "member_count": 11, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2026-02-23T23:10:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2026-02-27T08:32:40.439832Z", "ended": null, "start_waiting": "2026-02-27T08:32:40.250127Z", "board_size": 19, "active_round": 1, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 4, "ranked": false }, { "id": 128835, "name": "Correspondence Weekly McMahon 19x19 2025-05-31 17:00", "director": { "id": 4, "username": "matburt", "country": "us", "icon": "https://secure.gravatar.com/avatar/a87ff679a2f3e71d9181a67b7542122c?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1125.8827017028436, "deviation": 78.19731452501959, "volatility": 0.06006087171771568 } }, "ranking": 17.66169912212786, "professional": false, "ui_class": "supporter moderator admin" }, "description": "Automatic Site-wide Tournament", "schedule": { "id": 9, "name": "Correspondence Weekly McMahon 19x19", "rrule": "DTSTART:20260810T170000Z\nRRULE:FREQ=WEEKLY", "active": true, "created": "2015-12-16T02:22:56.480465Z", "last_run": "2026-08-10T17:00:29.126314Z", "lead_time_seconds": 432000, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "pause_on_weekends": true, "max_time": 259200, "time_increment": 86400 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclude_provisional": true, "players_start": 10, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "settings": { "num_rounds": 3, "upper_bar": "25", "lower_bar": "15", "group_size": 4, "maximum_players": 1000 }, "next_run": "2026-08-17T17:00:00Z", "base_points": "30.0" }, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 88451, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "pause_on_weekends": true, "max_time": 259200, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2025-05-31T17:00:35.878938Z", "players_start": 10, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2025-05-31T17:00:43.629515Z", "ended": null, "start_waiting": "2025-05-31T17:00:40.689231Z", "board_size": 19, "active_round": 2, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 30, "ranked": true }, { "id": 134731, "name": "1st Go Genius League", "director": { "id": 865775, "username": "tomsyd22", "country": "un", "icon": "https://secure.gravatar.com/avatar/b1446e2ddb58c18279928ea696efa77c?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 2352.0405024169886, "deviation": 70.49889343727092, "volatility": 0.060015080716221976 } }, "ranking": 34.716672173966344, "professional": false, "ui_class": "" }, "description": "Welcome to the 1st Go Genius League tournament. Every match pushes you a little further, whether you are 20kyu or dan. Every month, games will get analysed inside Go Genius, have fun :)\n\nWelcome to the Go Genius League.\n\nLet’s grow together", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 88451, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "correspondence", "pause_on_weekends": true, "main_time": 259200, "period_time": 86400, "periods": 3 }, "is_open": true, "exclude_provisional": false, "group": { "id": 15807, "name": "Go Genius", "summary": "Learn Go from Australian Go Champion Tom Chen.\nUnlock your mind’s potential in 30 days.\nJoin a global dojo of mastery and intelligence.", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 23, "icon": "https://user-uploads.online-go.com/7d077b5fce1a663573a6d18760c34a92-64.png" }, "auto_start_on_max": false, "time_start": "2025-12-01T12:59:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2025-12-01T12:59:10.925442Z", "ended": null, "start_waiting": "2025-12-01T12:59:10.593827Z", "board_size": 19, "active_round": 4, "icon": "https://user-uploads.online-go.com/7d077b5fce1a663573a6d18760c34a92-15.png", "player_count": 28, "ranked": true }, { "id": 140580, "name": "Honinbo Main 2019 Title Match - Board 5", "director": { "id": 40318, "username": "gamesorry", "country": "cn", "icon": "https://secure.gravatar.com/avatar/801cba34b77e0105326c402cc482cb09?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 2004.1061195342234, "deviation": 67.9851029358512, "volatility": 0.060157707874102274 } }, "ranking": 31.0107017704325, "professional": false, "ui_class": "supporter" }, "description": "<!-- \nHoninbo Main 2019 Title Match - Board 1\n-->\n\nTitle Holder: \n<a style=\"color:red\" href='https://online-go.com/user/view/43936/'>Sadaharu [Honinbo] x2+1</a>\n\n<table style=\"text-align:center;empty-cells:hide;table-layout:fixed;border:1px solid\">\n<tr>\n\t<td style=\"text-align:center\"><b>Edition</b></td>\n\t<td style=\"text-align:center\"><b>Year</b></td>\n\t<td style=\"text-align:center\"><b>Title</b></td>\n\t<td style=\"text-align:center\"><b>Class</b></td>\n\t<td style=\"text-align:center\"><b>Player 1</b></td>\n\t<td style=\"text-align:center\"><b>Player 2</b></td>\n\t<td><b>Board 1</b></td>\n\t<td><b>Board 2</b></td>\n\t<td><b>Board 3</b></td>\n\t<td><b>Board 4</b></td>\n\t<td><b>Board 5</b></td>\n</tr>\n<tr>\n\t<td>13th</td>\n\t<td>2019</td>\n\t<td style=\"color:red\">Honinbo</td>\n\t<td>Main</td>\n\t<td><a style=\"color:red\" href='https://online-go.com/player/43936/'>Sadaharu [Honinbo]</a></td>\n<!-- \t<td><a href='https://online-go.com/player/3696/'>Neandertaler [3d]</a></td> -->\n\t<td><a href='https://online-go.com/player/418737/'>Puffin888 [6d]</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/game/88115370'>Board 1</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/game/88487547'>Board 2</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/game/88487575'>Board 3</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/game/88487611'>Board 4</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/tournament/140580'>Board 5</a></td>\n</tr>\n</table>\n\nTitle Tournament: <a style='color:red' href='https://online-go.com/tournament/48518'>Honinbo Main Title Tournament 2019</a>\n\nNote:\n- Bots and use of AI are prohibited in this tournament and violators will be disqualified.", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 91187, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 604800, "max_time": 604800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 515, "name": "OGS Title Tournaments", "summary": "Would you like to compete with hundreds of players in epic tournaments and become the Honinbo, Meijin, Kisei, Tianyuan, Mingren or Kuksu? Join us!", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 3009, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png" }, "auto_start_on_max": false, "time_start": "2026-07-05T03:16:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "invite", "started": "2026-07-05T03:16:18.044271Z", "ended": null, "start_waiting": "2026-07-05T03:16:18.003704Z", "board_size": 19, "active_round": 1, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png", "player_count": 2, "ranked": true }, { "id": 128525, "name": "Kiel bela estas Esperanto", "director": { "id": 1282614, "username": "frandekai", "country": "_Esperanto", "icon": "https://user-uploads.online-go.com/8bb82fc613ce8717752116ff284b0c3b-64.png", "ratings": { "version": 5, "overall": { "rating": 1760.3867870304844, "deviation": 69.07584263346412, "volatility": 0.060196531650539516 } }, "ranking": 28.008966618038585, "professional": false, "ui_class": "" }, "description": "Nur por Parolantoj de Esperanto !! Vivu la amuzo de GO", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 95973, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 1209600, "max_time": 1209600 }, "is_open": true, "exclude_provisional": true, "group": { "id": 137, "name": "Esperantejo", "summary": "Por esperanta go luduloj", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 106, "icon": "https://user-uploads.online-go.com/caff677bb0f816f656b2273df670eb22-64.png" }, "auto_start_on_max": false, "time_start": "2025-05-29T22:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2025-05-31T21:34:40.778625Z", "ended": null, "start_waiting": "2025-05-31T21:34:40.695856Z", "board_size": 19, "active_round": 2, "icon": "https://user-uploads.online-go.com/caff677bb0f816f656b2273df670eb22-15.png", "player_count": 4, "ranked": true } ] }
